Loose-leaf binder.



No. ';'51,6fso.V PATENTED 13.19, 1904.

J. w. HUSING. Loosf: LEAP BINDER. APPLIOATION FILED SEPT. 25. 1903.

N0 MODEL.

m M M -L No. ve'geeo.

y UNITED ST'ATES Patented April 19, 1904.

APATENT OFFICE.

JOHN W. HUSING, OF SAN FRANCISCO, CALIFORNIA, ASSIGNOR TO THE HICKS-.IUDD COMPANY,^OF SAN FRANCISCO,4

RATION OF CALIFORNIA.

CALIFORNIA, A CORPO- LoosE-Li-:AF BINDER.

SPECIFICATIONforming part of Letters Patent No. 757,660, dated April 19, 1904.

Application filed September 25, 1903. Serial No. 174,584. (No model.)

To aZZ whom t may concern:

Be it known that I, JOHN W. HUsrNe,a citizen 'of the United States, residing in the city and county of San Francisco and State of California, have invented new and usefulImprovements in Loose-Leaf Binders, of which the following is a specication. Y

My invention relates to improvements in temporary binders which are designed to hold IO a variablequantity of loose leaves and to permit readily of the insertion or removal of single leaves from time to time. Its Objectis to provide a means for limiting the open movement of the clamps by which the leaves are I5 bound together, so that While the leaves may be temporarily loosened to permit change or insertion the shape of the volume will be maintained and the position of the remainingv leaves will not be disturbed.

It consists of the parts and the construction and combination of parts hereinafter more fully described, having reference to the aecompanying drawings, in whichyFigure l is a cross-section of binder-cover l2 5 and longitudinal central section of tube. Fig.

2 is the same, showing covers opened.

A B represent the two covers of the binder, having the usual transverse flexible hinge portions 2 near the back edges to permit the bound volume to be opened out dat in the ordinary manner. One of the covers, as B, is provided with a suitable number of tubes 3,

fixed rigidly to it, with which the lslotted,

sheets making up the volume may be engaged in the usual fashion. The tubes are open at ytheir outer ends, and the lower interior portion of each is reduced and threaded, as at 4. The opposite cover A is perforated, as at 5,

coincidently with tubes 3 to receive the binding-screws 6. These screws are provided with a threaded end 7, adapted to engage the threaded portion 4 of the tubes, and a reduced portion 8, to permit of the insertion of a pin 9 in the unthreaded portion of each of the tubes to afford a stop against the complete withdrawal of the screws from the tubes once the parts have been assembled for practical use. The screws are provided with suitable milled heads 10, which may be engaged by the thumb and fingers. In practice a number of loose leaves suitable to the size of binder are engaged with the tubes 3 and are bound together by means of the screws engaging the threaded portions of the tubes. When it is desired to remove, add to, or replace any of the sheets, the screws are loosened till they release the threads of the sleeves. They are then drawn outward until the screw-threaded heads 7 strike the stops 9. The distance between the latter and the threaded parts 4 determines the extent of movement of the screws and is sufficient when the book is opened out and the stubs of the leaves separated to permit any of the sheets to be easily removed.

The location of the` stops 9 in the tubes and the length of the unthreaded larger guide portion of the screws are preferably such that when the screws are withdrawnto their farthest limit the guide portions will not be so completely Withdrawn from the tubes as to expose the reduced portions 8, since in such a case it would cause more or less inconvenience in getting such sheets back onto the tubes as had followed olf on the screws. As itis, the ends of the tubes are beveled, and since the unthreaded guide portions 6 of the screws slide snugly in the larger unthreaded portion of the tubes the sheets areeasily made to slip back onto the'tubes when the covers are to be clamped together, while the screws meet with no obstruction to their rengagement with the threaded parts e.

y Having-thus described my invention, what I claim, and desire to secure by Letters Patent, is- I 1. A temporary binder comprising a suitable base With interiorly-threaded projecting tubes the threads of which extend for a por.- tion only of the length of the tubes, bindingscrews having one portion slidably fitting the tubes and having another portion forming a threaded head to engage the threaded portion of the tube, and means intermediate of the aforesaid portions of the screws for preventing the withdrawal of the screws from the tubes.

2. A temporary binder having one cover provided with rigid projecting tubes, said tubes having a portion of their interior remote from their outer ends threaded, binding-screws each having one portion of a diameter substantially equal to the inner diameter ofthe tube and having another portion forming a threaded head, the portion between the head and firstnamed portion being of reduced diameter and said head engaging said threaded portion of the tube, and means engaging the shoulder formed by the head for preventing the with drawal of said sQrews from the tubes.

3. A temporary bi nder having one cover provided with rigid interiorly-threaded projeot portions to prevent the withdrawal of the screws from the tubes.

In testimony whereof I have hereunto set my hand in presence of two subscribing Witnesses.

JOHN W. HUSING. Witnesses:

S. H. NoURsE, J EssIE C. BRODIE. 

